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Biology 11 Online
OpenStudy (anonymous):

Marjorie is trying to determine the identity of an unknown substance. After running tests, she determines that the substance is insoluble in CCl4 with a density of about 2.2 g/mL. Substance Density Boiling Point Solubility (in water) Solubility (in CCl4) NaCl 2.165 g/mL 1413°C soluble insoluble C10H8 1.14 g/mL 255°C insoluble soluble FeCl3 2.898 g/mL 315°C soluble insoluble SiO2 2.634 g/mL 2590°C insoluble insoluble Using the data above, which of the following substances is most likely Marjorie's unknown?

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